MRI of failed total hip replacement caused by abductor muscle avulsion
Akram Twair1, Martin Ryan, Martin O'Connell
1Department of Radiology, Master Misericordiae and Cappagh National Orthopedic Hospital, Finglas, Dublin 11, Ireland.
Objective:
Our purpose is to describe the use of MRI and associated metal artifact reduction techniques to detect abductor muscle avulsion from the greater trochanter, a complication unusual to the anterolateral approach for total hip replacement.
Conclusion:
MRI facilitates the detection of abductor muscle avulsion in patients who have undergone the anterolateral approach during total hip replacement. MRI is considered a valuable diagnostic tool when this condition is suspected.
Insights
Magnetic Resonance Imaging (MRI) effectively detects abductor muscle avulsion after total hip replacement. This imaging technique is valuable for diagnosing this complication when suspected.
Area of Science:
- Orthopedic surgery
- Radiology
- Medical imaging
Background:
- Anterolateral approach for total hip replacement can lead to rare complications.
- Abductor muscle avulsion from the greater trochanter is an unusual complication.
- Accurate diagnosis is crucial for patient management.
Purpose of the Study:
- To describe the utility of MRI in detecting abductor muscle avulsion.
- To highlight the role of metal artifact reduction techniques in MRI.
- To address a specific complication following total hip arthroplasty.
Main Methods:
- Utilized Magnetic Resonance Imaging (MRI) for diagnosis.
- Employed metal artifact reduction techniques.
- Focused on patients with anterolateral total hip replacement.
Main Results:
- MRI successfully identified abductor muscle avulsion.
- Metal artifact reduction techniques improved image quality for detection.
- Demonstrated MRI's capability in visualizing soft tissue injuries.
Conclusions:
- MRI is a valuable tool for diagnosing abductor muscle avulsion post-total hip replacement.
- The anterolateral approach carries a risk of this specific complication.
- Early detection with MRI aids in appropriate patient care.


